Re: [PATCH v2] Use atomic_t and wait_event to track dquot pincount

[Dave Chinner <david@xxxxxxxxxxxxx>]

On Fri, Sep 26, 2008 at 01:38:45PM +1000, Lachlan McIlroy wrote:
> Dave Chinner wrote:
>> Right, but keep in mind that the patch doesn't prevent spurious
>> wakeups - it merely causes the thread to wakeup and go back to sleep
> Yes that's right and it's why I suggested replacing the uses of 
> wake_up_process
> with wake_up and a wait queue where both the xfsaild and xfssyncd threads can
> have a wait queue specific to them.  This way we only wake them up if they are
> sleeping on that wait queue and not somewhere else waiting for a different 
> event.
> I'm pretty sure that will be a safe change to make.

Yes, that sounds like a good idea.

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx